Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 2852, listelenen: 421-440
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Relations between extrinsic and intrinsic invariants of statistical submanifolds in sasaki-like statistical manifolds
(MDPI, 2021)The Chen first inequality and a Chen inequality for the delta(2, 2)-invariant on statistical submanifolds of Sasaki-like statistical manifolds, under a curvature condition, are obtained. -
Synthesis, characterizations of aryl-substituted dithiodibenzothioate derivatives, and investigating their anti-Alzheimer's properties
(Taylor & Francis Inc, 2021)The main objective of the present study was to synthesize potential inhibitor/activators of AChE and hCA I-II enzymes, which are thought to be directly related to Alzheimer's disease. Dithiodibenzothioate compounds were ... -
The predictors of COVID-19 anxiety and helping behaviour during the pandemic: An investigation within the framework of individual and national level resources
(Springer, 2021)Governments have developed different policies against the COVID-19 outbreak. Therefore, individuals' political trust, as well as their coping styles, seems to play a role in society's reactions to this process. This study ... -
Optical and organic vapor properties of Calix[4]arene based macrocyclic Langmuir-Blodgett thin films
(Natl Inst Optoelectronics, 2021)Surface Plasmon Resonance (SPR) optical chemical sensors based on 25,27-Bis(N-[[(2R)-2-hydroxy-3-[[(1R)-1-(hydroxymethyl)propyl]amino]propyl]asetamide))-26,28-dihydroxy-5,11,17,23-tetra(tert-butyl)calix[4]arene (NHDACx) ... -
Structural, magnetic, and in vitro inhibitory characteristics of Ce-substituted MnFe2O4 nanoparticles
(Springer Heidelberg, 2021)MnCexFe2-xO4 (x = 0.0, 0.6, 1.4) nanoparticles were successfully synthesized via sol-gel method. Their structural and magnetic properties were studied using X-ray diffraction, scanning electron microscopy, energy-dispersive ... -
Synthesis, characterization and chemical sensor properties of a novel Zn(II) phthalocyanine containing 15-membered dioxa-dithia macrocycle moiety
(Elsevier Science SA, 2021)The issue of utilizing organic materials in chemical sensing devices has recently received considerable critical attention. Phthalocyanines (Pcs) and metal phthalocyanines (MPcs) have been identified as promising materials ... -
A rapid, ultrasensitive voltammetric biosensor for determining SARS-CoV-2 spike protein in real samples
(Elsevier Advanced Technology, 2021)The ongoing coronavirus disease 2019 (COVID-19) pandemic continues to threaten public health systems all around the world. In controlling the viral outbreak, early diagnosis of COVID-19 is pivotal. This article describes ... -
Preparation of Zinc (II) phthalocyanine-based LB thin film: Experimental characterization, the determination of some optical properties and the investigation of the optical sensing ability
(Elsevier GMBH, 2021)Zinc(II) phthalocyanine (Zn(II)Pc) molecule was the first time prepared onto three different substrates utilizing Langmuir-Blodgett (LB) deposition technique to investigate its vapor sensing abilities and some optical ... -
Immunosuppressive influence of parasitoid wasp Pimpla turionellae calyx fluid on host Galleria mellonella cell-mediated immune response and hemocyte viability
(Cambridge Univ Press, 2021)Endoparasitoid species devoid of symbiotic viruses inject secretions derived from their reproductive glands into their hosts during parasitism in order to avoid various immune responses of their hosts. Pimpla turionellae ... -
A key manipulation attack on some recent isogeny-based key agreement protocols
(Springer Singapore Pte Ltd, 2021)Recently, Daghigh et al. proposed some isogeny-based key agreement protocols in Bull. Iran. Math. Soc. 43 (2017), no. 4, 77-88. They claimed that their key exchange protocols based on supersingular isogenies provide the ... -
On the geometry of the crossed product of groups
(Korean Mathematical Soc, 2021)In this paper, firstly, we work on the presentation of the crossed product of groups of general types. After that we find the generating pictures (Second Homotopy Group) of this product by looking the relations from a ... -
Spatial distribution, environmental risk assessment, and source identification of potentially toxic metals in Atikhisar dam, Turkey
(Springer, 2021)The objective of this study was to determine the ecological risk created by metal contents of the surface sediments of Atikhisar dam, canakkale, NW Turkey. Enrichment factor (EF) and geoaccumulation index (Igeo) were ... -
Recent progress in pillar[n]arene-based thin films on chemical sensor applications
(Springer, 2021)Pillar[n]arene is one of the most favorited supramolecular materials that possess a special chiral structure. The major property of pillar-structured materials is their high cavity, and this structure is able to dominate ... -
A Novel calix[4]arene thiourea decorated with 2-(2-Aminophenyl)benzothiazole moiety as highly selective chemical gas sensor for dichloromethane vapor
(Wiley-V C H Verlag GMBH, 2021)A newly synthesized calix[4]arene thiourea derivative decorated with 2-(2-aminophenyl)benzothiazole unit is selected to take part important role in host-guest interactions of the macrocyclic molecules. p-tert-butylcalix[4]arene ... -
A higher version of Zappa products for monoids
(Hacettepe Univ, 2021)For arbitrary monoids A and B, a presentation for the restricted wreath product of A by B that is known as the semi-direct product of A(circle plus B) by B has been widely studied. After that a presentation for the Zappa ... -
Resolving the Lourinia armata (Claus, 1866) complex with remarks on the monophyletic status of Louriniidae, Monard 1927 (Copepoda: Harpacticoida)
(Magnolia Press, 2021)An attempt was made to test if Lourinia armata (Claus, 1866)-as it is currently diagnosed-represents a species complex. Detailed examination and comparisons of several specimens collected from different localities suggest ... -
Prodrugs for nitroreductase based cancer therapy-5: Development of trinitroaniline Prodrugs/Ssap-NtrB combinations for liver cancer using intracellular and extracellular conditions
(Wiley-V C H Verlag GMBH, 2021)In this study, a series of trinitroaniline derivatives (TNA1-8) were synthesized and investigated as potential antitumor agents for enzyme-prodrug therapy. Enzymatic efficiency of Ssap-NtrB on prodrug candidates was ... -
Privileged scaffolds in medicinal chemistry: Studies on pyrazolo[1,5-a]pyrimidines on sulfonamide containing Carbonic Anhydrase inhibitors
(Pergamon-Elsevier Science Ltd, 2021)We report for the first time a small series of compounds endowed in vitro with inhibitory properties for the human (h) expressed Carbonic Anhydrase (CAs, E.C. 4.2.1.1) enzymes of physiological interest (i.e. I, II, VA, IX ... -
On G-continuity in neutrosophic topological spaces
(Amer Inst Physics, 2021)Continuity is one of most important concepts in many mathematical disciplines. In some situations general notion of continuity is replaced by sequential continuity. Connor and Grosse-Erdmann replaced lim in the definition ... -
USF1 suppresses expression of fibrillar type I, II, and III collagen and pNP adamts-3 in osteosarcoma cells
(Pleiades Publishing Inc, 2021)Collagens are the main components of human tissues. Various regulatory factors and cytokines may influence expression levels for collagen-encoding genes, and, therefore, contrubite to some collagenassociated pathologies. ...
